| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lares, Sebastian A (12)
|
FGSOFL |
1:03.56 |
1:02.11 |
-1.45 |
| 2 |
Rodriguez, Agustin F (12)
|
FGHSC |
1:02.34 |
1:02.31 |
-0.03 |
| 3 |
Rodriguez, Enrique (12)
|
FGSOFL |
1:13.07 |
1:08.41 |
-4.66 |
| 4 |
Harris, Zackary T (12)
|
FGSOFL |
|
1:08.81 |
- |
| 5 |
Chavez, David J (12)
|
FGMS |
1:08.04 |
1:10.14 |
2.10 |
| 6 |
Ajo, Henry (11)
|
FGBMHG |
1:12.98 |
1:11.04 |
-1.94 |
| 7 |
Gonzalez, Logan G (12)
|
FGSOFL |
1:11.55 |
1:12.59 |
1.04 |
| 8 |
Lopez-Casula, Marcoaurelio (12)
|
FGHSC |
1:14.34 |
1:12.93 |
-1.41 |
| 9 |
Rosenthal, Parker A (12)
|
FGGRSC |
1:11.36 |
1:12.97 |
1.61 |
| 10 |
Zepeda, Aldo E (11)
|
FGSOFL |
1:21.31 |
1:13.14 |
-8.17 |
| 11 |
Porven, Lucas A (11)
|
FGSOFL |
1:18.14 |
1:17.30 |
-0.84 |
| 12 |
Viruet, Adrian (12)
|
FGSWAT |
1:22.34 |
1:17.82 |
-4.52 |
| 13 |
Yaremenko, Alexander (12)
|
FGHAT |
1:20.99 |
1:18.98 |
-2.01 |
| 14 |
Hernandez, Adrian (11)
|
FGSWAT |
1:18.65 |
1:19.34 |
0.69 |
| 15 |
Hatem, Nicolas (12)
|
FGSWAT |
1:25.13 |
1:21.15 |
-3.98 |
| 16 |
Navarro, Richard A (11)
|
FGGRSC |
1:22.34 |
1:25.06 |
2.72 |
| 17 |
Brezenski, Joshua F (12)
|
FGPST |
1:18.79 |
1:25.19 |
6.40 |
| 18 |
Connor, Liam J (11)
|
FGPST |
1:40.95 |
1:25.32 |
-15.63 |
| 19 |
Montes, Kevin (12)
|
FGAKS |
1:28.58 |
1:29.18 |
0.60 |
| 20 |
Kibler, Ryan A (11)
|
FGPST |
1:34.86 |
1:34.32 |
-0.54 |
| 21 |
Mansur, Marcelo (11)
|
FGMACM |
|
1:38.99 |
- |
| 22 |
Doletina, Daniel H (12)
|
FGUN-0 |
|
1:39.70 |
- |
| 23 |
Alegre, Samuel J (12)
|
FGMACM |
|
1:44.77 |
- |
| 24 |
Militano, Dylan P (11)
|
FGGRSC |
1:44.93 |
1:44.97 |
0.04 |
| 25 |
Paiz, Josue (11)
|
FGSUN |
|
1:45.58 |
- |
| 26 |
Lamelas, Anthony (11)
|
FGGRSC |
1:38.62 |
1:48.16 |
9.54 |
|
Cabral, Zion A (12)
|
FGMACM |
|
DQ |
- |
|
Grass, Ivan L (11)
|
FGGRSC |
1:20.88 |
DQ |
- |
|
Carbone, Santiago A (12)
|
FGMS |
1:18.76 |
NS |
- |
|
Cabrera, Ernesto (12)
|
FGMACM |
1:18.61 |
NS |
- |
|
Kotegov, Fedor M (11)
|
FGBRST |
1:43.35 |
NS |
- |